CN103561667B - Grasping force control in robotic surgery apparatus - Google Patents
Grasping force control in robotic surgery apparatus Download PDFInfo
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- CN103561667B CN103561667B CN201280026203.7A CN201280026203A CN103561667B CN 103561667 B CN103561667 B CN 103561667B CN 201280026203 A CN201280026203 A CN 201280026203A CN 103561667 B CN103561667 B CN 103561667B
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- 238000002432 robotic surgery Methods 0.000 title claims description 11
- 239000012636 effector Substances 0.000 claims abstract description 37
- 238000012546 transfer Methods 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000002324 minimally invasive surgery Methods 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 41
- 230000007246 mechanism Effects 0.000 description 22
- 230000036316 preload Effects 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000003384 imaging method Methods 0.000 description 4
- 230000001629 suppression Effects 0.000 description 4
- 238000003745 diagnosis Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 2
- 230000003872 anastomosis Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001839 endoscopy Methods 0.000 description 2
- 238000002357 laparoscopic surgery Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008447 perception Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004611 spectroscopical analysis Methods 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000002627 tracheal intubation Methods 0.000 description 2
- 230000003187 abdominal effect Effects 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000002574 cystoscopy Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000011846 endoscopic investigation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/28—Surgical forceps
- A61B17/29—Forceps for use in minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/30—Surgical robots
- A61B34/37—Leader-follower robots
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/70—Manipulators specially adapted for use in surgery
- A61B34/77—Manipulators with motion or force scaling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J13/00—Controls for manipulators
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods
- A61B2017/00477—Coupling
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Robotics (AREA)
- Medical Informatics (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
- Surgical Instruments (AREA)
Abstract
Disclose the control tissue surgical assembly of chucking power, apparatus and correlation technique.Surgical assembly includes end effector and the spring assembly comprising the operable clamp to clamp tissue of patient.Described spring assembly includes the output connecting rod drivingly coupled with described clamp, the input connecting rod being drivingly coupled to hinged source and couples hinged power is delivered to from described input connecting rod the spring of described output connecting rod with described input and output connecting rod.Described spring is preloaded, to suppress the relative motion between described input connecting rod and described output connecting rod when the hinged power shifted is less than predeterminated level, and to allow the relative motion between described input connecting rod and described output connecting rod when the hinged power shifted is higher than described predeterminated level.
Description
Cross reference to related applications
This application claims the U.S. of entitled " grasping force control in robotic surgery apparatus " submitted on May 31st, 2011
The rights and interests that provisional application the 61/491st, 804, entire contents is incorporated herein by.
Background of invention
Minimally Invasive Surgery technical purpose is to reduce the amount of the vitro tissue damaged in diagnosis or intra-operative, thus reduces patient
Recovery time, do not accommodate harmful side effect.Therefore, the average length of standard procedures hospital stay can be by using Minimally Invasive Surgery
Technology and be greatly shortened.Additionally, use Minimally Invasive Surgery to reduce, patient recovery time, patient be uncomfortable, surgery side effect and
Leave the time of work.
A kind of common form of Minimally Invasive Surgery is endoscopy, and a kind of common form of endoscopy is abdomen
Chamber spectroscopy art, it is that Intraabdominal Wicresoft checks and operation.In standard laparoscopic surgery, patients abdomen is charged gas
Body, then intubation canula to provide entrance for laparoscopic device by little (about half inch or less) otch.
Laparoscopic surgery apparatus generally comprises the endoscope's (such as, peritoneoscope) for checking field of operation and in operation
The instrument of position operation.Operation instrument is generally similar in tradition (open) operation those used, except each instrument
Operating side or end effector are separated with its handle by telescoping tube (also referred to as, such as, apparatus axis or main shaft).Described end is held
Row device can include such as, clamp, grasper, shears, anastomat (stapler), cautery tool, line cutter (linear
Or needle holder cutter).
In order to be operated, operation instrument is delivered to internal surgical site by intubation canula by surgeon, and
Them are handled outside abdominal part.Behaviour checked by the monitor of the image of the operative site that surgeon is taken by endoscope from display
Make.Such as, art, pelvioscopy art, nephroscopy art, cystoscopy, brain are checked at arthroscopy art, Retroperitoneoscopicvaricocelectomy
In pond spectroscopy art (cisternoscopy), sinoscopy art, hysteroscopy, urethroscopy etc., employing is similar to
Endoscopic technique.
Developing Wicresoft's remote control surgical robot system (minimally invasive telesurgical
Robotic systems), to increase dexterity when surgeon operates in internal surgical site, and allow surgeon
From (beyond aseptic area), remote location is performed an operation at patient.In remote control surgical system, usually outside at operating board
Section doctor provides the image of operative site.When checking the 3-D view of this operative site on suitable reader or display,
Surgeon is operated at patient by the primary input or control equipment handling this operating board.Each described master is defeated
Enter equipment to control servounit and activate/the motion of hinged operating theater instruments.In operative process, remote control surgical system is permissible
There is provided for surgeon and there is the multiple operating theater instruments of the end effector performing various functions or the mechanically actuated of instrument and control
System, such as, in response to the manipulation of primary input equipment, clamp or drive pin, catch blood vessel, anatomical tissue etc..
The straight line clamping of non-robot, cutting and anastomosis apparatus has been have employed in the operation technique that many is different.Such as,
Such equipment can be used to excise gastrointestinal cancerous tissue or abnormal structure.Many known surgical equipment, including known straight
Wire clamp is tight, cutting and anastomosis apparatus, often has the opposed clamp for handling tissue of patient.
For having the known device of opposed clamp, substantial amounts of machine power must be transferred to end effector, with effectively
Ground such as, grip tissue, anastomosed tissue, cutting tissue etc..The mechanokinetic transmission of necessary amount can relate to having high machinery
The mechanism of advantage, activates input with low power of being moved by height and is converted into high-clamping force.Such mechanism is typically relative stiffness, and
The clamping force of excess can be produced.Therefore, the use of such high mechanical advantage mechanism may cause damaging in some cases
It is clamped the applying of the excessive clamping force of tissue.
Accordingly, it is believed to be desirable to the surgical assembly of the most operable a kind of generation clamping force.
Summary of the invention
Disclose the control tissue surgical assembly of chucking power, apparatus and correlation technique.Disclosed assembly, apparatus and relevant
Method uses the mechanism with preloaded spring, and described preloaded spring is being sent to the power/torque of clamp system less than predeterminated level
Time make the component (components) of this mechanism bias together and the power/torque transmitted higher than predeterminated level time allow component
Between separation.Disclosed assembly, apparatus and method may be used for any applicable application.Such as, hands disclosed herein
Art assembly, apparatus and/or method can operate for open or Wicresoft (single port or multiport) manually or electrically, hands
Hold in other operating theater instruments of formula or robot type, directly control or remote manipulation and use.When minimally invasive robotic surgery assembly,
When using in apparatus and operation, disclosed assembly, apparatus and method can be particularly advantageous.
Therefore, at first aspect, it is provided that minimally invasive robotic surgery assembly.Described surgical assembly include comprising operable with
The end effector of the clamp of clamping tissue of patient and spring assembly.Described spring assembly includes drivingly coupling with described clamp
Output connecting rod, be drivingly coupled to hinged source input connecting rod and with described input and output connecting rod couple with by hinged power from
The spring of described output connecting rod transferred to by described input connecting rod.Described spring is preloaded, in order to when the hinged power shifted is less than
Suppress the relative motion between described input connecting rod and described output connecting rod during predeterminated level, and to work as the hinged power shifted
The relative motion between described input connecting rod and described output connecting rod is allowed during higher than described predeterminated level.
In many embodiments of described surgical assembly, the hinged power shifted induces the chucking power of described clamp.Work as institute
The motion of the described input connecting rod being further turned off described clamp when the hinged power of transfer is at or greater than described predeterminated level lures
Lead the deformation of the spring being associated with the relative motion between described input connecting rod and described output connecting rod, in order to work as distortion spring
Described hinged power was controlled when described output connecting rod transferred to by described input connecting rod the increase of the hinged power of transfer.
The spring of described spring assembly can be stretching spring.Straight relative to described end effector of described output connecting rod
Line motion can be used to induce the hinged of described clamp.
In many embodiments of described surgical assembly, the spring of described spring assembly includes torque spring.Further, described
Output connecting rod can be used to induce the hinged of described clamp relative to the rotary motion of described end effector.Described input and defeated
Go out connecting rod and can be rotatably mounted to base, to rotate around common rotation axis.Such as, described output connecting rod can be regularly
It is connected to central shaft, and described input connecting rod can be rotatably mounted to this central shaft.Selectively, described input connecting rod is permissible
It is fixedly connected to central shaft, and described output connecting rod can be rotatably mounted to this central shaft.When described spring includes torsion
During spring, described torque spring can be by least in the outer surface of the outer surface of described input connecting rod or described output connecting rod
Individual receiving and constraint.
In many embodiments of described surgical assembly, described spring assembly farther includes to be rotatably mounted to the described end
Seat is with the one or more joint elements rotated around common rotation axis.The one or more joint element and described spring
Combination the hinged power shifted less than described predeterminated level time suppress between described input connecting rod and described output connecting rod
Relative motion, and allow when the hinged power shifted is higher than described predeterminated level described input connecting rod and described output connecting rod it
Between relative motion.At least one in the one or more joint element can have protuberance, and it is shaped to turned
The hinged power moved shapes with the complementary of at least one in described input connecting rod or described output connecting rod less than during described predeterminated level
Protuberance engage.
On the other hand, it is provided that a kind of method of chucking power controlled in robotic surgery apparatus.The method includes: cause
The input connecting rod of dynamic spring assembly；Actuating power is transferred to from described input connecting rod the output connecting rod of described spring assembly；Work as institute
When the actuating power of transfer is less than the predeterminated level of the preloaded spring of described spring assembly, suppress described input connecting rod and described output
Relative motion between connecting rod；When the actuating power shifted increases above described predeterminated level, by making described groups of springs
The preloaded spring deformation of part, moves described input connecting rod relative to described output connecting rod；Folder is activated with via described output connecting rod
Hold mechanism, in order to clamping tissue of patient.
The action of the method can complete in various suitable modes.Such as, the actuating of described input connecting rod can include
Described input connecting rod is translated relative to described clamping device.The actuating of described input connecting rod can include relative to described clamping machine
Structure rotates described input connecting rod.The transfer of described actuating power can include shifting described input connecting rod and described by preloaded spring
Power between output connecting rod.The suppression of the relative motion between described input connecting rod and described output connecting rod can include with preloading
Spring makes input and delivery spring relative to each other retrain.Further, relative between described input connecting rod and described output connecting rod
The suppression of motion can include engaging described input connecting rod and engagement link and engage described engagement link and described output connecting rod,
Described input keeps contacting with described engagement link by preloaded spring with output connecting rod.Described input connecting rod, described output are even
Bar and described engagement link can be restrained to rotate around common rotation axis.Described preloaded spring can be included in described defeated
Enter the torque spring of coupling between connecting rod and described output connecting rod.
On the other hand, it is provided that a kind of make together with the robot mechanical arm (manipulator) of minimally invasive surgery system
Operating theater instruments, described robot mechanical arm has fixture.Described operating theater instruments includes: extend between proximally and distally
Apparatus axis；Supported and include the end effector of the operable clamp to clamp tissue of patient by described far-end；With described clamp
The driving element drivingly coupled；With the underframe being arranged on described proximal end.Described underframe includes the frame supporting described apparatus axis
Frame, spring assembly and input coupler.Described spring assembly includes: with the output connecting rod that couples of described driving element drives ground；
Input connecting rod；And couple from described input connecting rod, hinged power is transferred to described output connecting rod with described input and output connecting rod
Spring.Described spring is preloaded, in order to suppress described input connecting rod and defeated when the hinged power shifted is less than predeterminated level
Go out the relative motion between connecting rod, and to allow described input connecting rod when the hinged power shifted is higher than described predeterminated level
And the relative motion between described output connecting rod.Described input coupler is drivingly to couple with described input connecting rod, and through joining
Put the corresponding output coupler to described robot mechanical arm to be drivingly engaged.
In many embodiments of described operating theater instruments, the hinged power shifted induces the chucking power of described clamp.Further,
The motion of the input connecting rod being further turned off described clamp when the hinged power shifted is at or greater than described predeterminated level lures
Lead the deformation of the spring being associated with the relative motion between described input connecting rod and described output connecting rod, in order to work as distortion spring
Described hinged power was controlled when described output connecting rod transferred to by described input connecting rod the increase of the hinged power of transfer.
In many embodiments of described operating theater instruments, described driving element includes coupling rotatably with described clamping device
Drive shaft.Described input connecting rod and described output connecting rod can be rotatably mounted to described framework, with around common axis of rotation
Line rotates.Further, described preloaded spring can include torque spring.
In many embodiments of described operating theater instruments, described spring assembly farther includes to be rotatably mounted to the described end
Seat is with the one or more joint elements rotated around common rotation axis.The one or more joint element and described spring
Combination the hinged power shifted less than described predeterminated level time suppress between described input connecting rod and described output connecting rod
Relative motion, and allow when the hinged power shifted is higher than described predeterminated level described input connecting rod and described output connecting rod it
Between relative motion.At least one in the one or more joint element can have protuberance, and it is shaped to turned
The hinged power moved shapes with the complementary of at least one in described input connecting rod or described output connecting rod less than during described predeterminated level
Protuberance engage.
In order to be more fully understood from character and the advantage of the present invention, it should with reference to the detailed description and the accompanying drawings subsequently.Under from
Accompanying drawing and the detailed description in face are seen, other aspects of the present invention, purpose and advantage will be apparent from.
Accompanying drawing explanation
Fig. 1 be according to many embodiments for carrying out the plane graph of minimally invasive robotic surgery system performed the operation.
Fig. 2 is the perspective view of the surgical operating board for robotic surgical system according to many embodiments.
Fig. 3 is the perspective view of the robotic surgical system electronics go-cart according to many embodiments.
Fig. 4 schematically illustrates the robotic surgical system according to many embodiments.
Fig. 5 A is the front view of the patient-side go-cart (operating robot) of the robotic surgical system according to many embodiments.
Fig. 5 B is the front view of the robotic surgical tool according to many embodiments.
Fig. 6 A is the robotic surgical tool including having the end effector of opposed clamp according to many embodiments
Perspective view.
Fig. 6 B is the close-up perspective view of the end effector of Fig. 6 A.
Fig. 7 is the decomposition diagram of the end effector of Fig. 6 A, and it illustrates for the rotary motion of drive shaft being converted into
The hinged mechanism of opposed clamp.
Fig. 8 A and Fig. 8 B is the end effector with opposed clamp according to many embodiments and for by drive shaft
Rotary motion is converted into the perspective view of the hinged mechanism of opposed clamp.
Fig. 9 is the rough schematic view of the method illustrating the clamping force in the control operating theater instruments according to many embodiments.
Figure 10 illustrates the method for the clamping force in the control operating theater instruments according to many embodiments in graphical form.
Figure 11 illustrates in graphical form and makes according in the method for the clamping force in control operating theater instruments of many embodiments
Stretching spring working range.
Figure 12 A is that the cross section of the rotating mechanism for controlling the clamping force in operating theater instruments according to many embodiments regards
Figure.
Figure 12 B is rough schematic view, and it illustrates Figure 12 A when the torque transmitted by rotating mechanism is less than predeterminated level
The configuration of the component of rotating mechanism.
Figure 12 C is rough schematic view, and it illustrates Figure 12 A when the torque transmitted by rotating mechanism is more than predeterminated level
The configuration of the component of rotating mechanism.
Figure 13 illustrates in graphical form and makes according in the method for the clamping force in control operating theater instruments of many embodiments
The working range of torque spring.
Figure 14 is the perspective view of the near-end underframe of robotic surgical tool, its illustrate according to many embodiments for controlling
Transfer to the rotating mechanism of the torque of the drive shaft of clamp for activating end effector.
Figure 15 A is the drive shaft for controlling to transfer to the clamp for activating end effector according to many embodiments
The perspective view of rotating mechanism of torque.
Figure 15 B is the decomposition diagram of the rotating mechanism of Figure 15 A.
Figure 15 C is shown in the rotating mechanism of Figure 15 A the input connecting rod for torque spring is coupled to input connecting rod
Details.
Figure 16 illustrates the action of the method for the chucking power in the control operating theater instruments according to many embodiments.
Detailed description of the invention
In the following description, various embodiments of the present invention will be described.For illustrative purposes, explaination concrete configuration is with thin
Joint, in order to the understanding completely to embodiment is provided.But, to those skilled in the art also it will be apparent that the present invention can be
Without putting into practice in the case of detail.Furthermore, it is possible to the feature known to being omitted or simplified, in order to do not cover the enforcement described
Example.
Minimally invasive robotic surgery
With reference now to accompanying drawing, wherein running through some views, same reference numerals represents that same parts, Fig. 1 are to illustrate Wicresoft
The plane graph of robotic surgery (MIRS) system 10, the patient 12 that this system is generally used for lying on operating-table 14 carries out Wicresoft
Diagnosis or operation technique.This system can include the surgical operating board used in operation by surgeon 18
16.One or more assistants 20 can also Attended Operation.Described MIRS system 10 may further include patient-side go-cart 22(hands
Art robot) and electronics go-cart 24.When surgeon 18 checks operative site by operating board 16, patient-side go-cart 22 is permissible
At least one tool assembly 26(hereinafter referred to as " work detachably coupled is handled by the mini-incision in the health of patient 12
Tool ").The image of operative site can be obtained by endoscope 28 such as stereo endoscope, can be handled by patient-side go-cart 22 so that
Orientation endoscope 28.Electronics go-cart 24 can be used to process and is shown to surgeon 18 by surgical operating board 16 subsequently
The image of operative site.The quantity of the operation tool 26 simultaneously used typically will depend upon which diagnosis or operation technique and operation
Indoor space limits and other factors.Change the one or more described instrument used in operation if necessary
26, assistant 20 can from patient-side go-cart 22 removing tool 26, and with in operating room from another instrument 26 of pallet 30 by it
Replace.
Fig. 2 is the perspective view of surgical operating board 16.Surgical operating board 16 includes for surgeon
18 in be now able to depth perception operative site coordinate the left eye display 32 of axonometric chart and right eye display 34.Described operation
Platform 16 farther includes one or more input control apparatus 36, itself so that cause (shown in Fig. 1) patient-side go-cart 22 to be grasped
Vertical one or more instruments.Described input control apparatus 36 can provide identical with (shown in Fig. 1) its associated tool 26
Degree of freedom, in order to providing the surgeon with remotely monitoring or described input control apparatus 36 is an entirety with described instrument 26
Perception, such surgeon has the strong sensation directly controlling described instrument 26.To this end, position, power can be used and touches
Feel feedback transducer (not shown), with by described input control apparatus 36 by position, power and touch feeling from described instrument 26
It is transmitted back to surgical both hands.
Surgical operating board 16 is usually located in the room identical with patient, in order to surgeon can directly monitor
Operation, appears in person if necessary, and directly rather than is talked assistant by phone or other telecommunication medias.But, outward
Section doctor may be located at different rooms, diverse building or allows other positions away from patient of remote operation operation
Put.
Fig. 3 is the perspective view of electronics go-cart 24.Described electronics go-cart 24 can couple with described endoscope 28, it is possible to bag
Including processor, the capture image shown subsequently with process, as on surgical operating board or in locally and/or remotely position
Another suitable display on be subsequently displayed to surgical capture image.Such as, in the case of using stereo endoscope,
Electronics go-cart 24 can process the image of capture, in order to present the coordination axonometric chart of operative site to surgeon.Such association
Tune can include the alignment between opposed image, and can include the stereoscopic operation distance adjusting described stereo endoscope.As
Another example, image procossing can include the use of previously determined camera calibration parameters, in order to compensates this image capturing and sets
Standby image error, such as optical aberration.
Fig. 4 schematically illustrates the MIRS system 10 of robotic surgical system 50(such as Fig. 1).As discussed above, surgery
The operating board 52(of doctor such as the surgical operating board 16 in Fig. 1) can be made for operating at Minimally Invasive Surgery by surgeon
During control patient-side go-cart (operating robot) 54(such as the patient-side go-cart 22 in Fig. 1).Described patient-side go-cart 54 can
To use imaging device, such as stereo endoscope, to capture the image of operating position, and export the image of capture to electronics go-cart 56
(the electronics go-cart 24 as in Fig. 1).As discussed above, described electronics go-cart 56 can be with respectively before any display subsequently
The mode of kind processes the image of capture.Such as, described electronics go-cart 56 can be via the display combination of surgical operating board 52
Image to before surgeon with fictitious control interface cover capture image.Described patient-side go-cart 54 can export and be used for
The capture image processed in the outside of electronics go-cart 56.Such as, described patient-side go-cart 54 can export the image of capture everywhere
Reason device 58, processor 58 can be used to process the image of capture.Described image can also be by electronics go-cart 56 and processor 58
Combination is acted upon, and described electronics go-cart 56 and processor 58 can be coupled, in order to jointly, one after the other and/or its
Process the image of capture in combination.One or more single display 60 can also be with described processor 58 and/or described electricity
Sub-go-cart 56 couples, for the locally and/or remotely display of image, such as image or other associated pictures at operation technique position.
Fig. 5 A and Fig. 5 B is shown respectively patient-side go-cart 22 and operation tool 62.Described operation tool 62 is operation tool 26
An example.Shown patient-side go-cart 22 provides three operation tools 26 and the manipulation of an imaging device 28, this one-tenth
As equipment 28 such as the stereo endoscope of the image capturing for operating position.By the robot mechanism with multiple robot adapter
There is provided and handle.Described imaging device 28 and described operation tool 26 can be positioned by the otch of patient and be handled, in order to fortune
Dynamic remote center is maintained at this incision to minimize the size of this otch.The image of this operative site can include when being positioned at institute
The distal view picture of described operation tool 26 when stating in the visual field of imaging device 28.
Tissue clamping ends executor
Fig. 6 A shows operation tool 70, and it includes nearside underframe 72, apparatus axis 74 and have can be hinged to clamp disease
The distal end effector 76 of the clamp 78 of people's tissue.Described nearside underframe includes being configured and the output coupler of patient-side go-cart 22
The input coupler engaging and being driven by.Described input coupler drivingly couples with the input connecting rod of spring assembly 80.Institute
State spring assembly 80 and be installed to the framework 82 of described nearside underframe 72, and include and the drive shaft being arranged in described apparatus axis 74
The output connecting rod drivingly coupled.Described drive shaft drivingly couples with described clamp 78.Fig. 6 B provides described end effector
The close-up illustration of the clamp 78 of 76.
Fig. 7 is the decomposition diagram of the end effector 76 of Fig. 6 A, and it illustrates for the rotary motion of drive shaft 84 being turned
Change the hinged clamp system of the opposed clamp of described end effector 76 into.Described end effector include clamp 86, under
Clamp 88, framework 90, for be pivotally mounted on clamp 86 and lower clamp 88 to the pin 92 of framework 90 and with described drive shaft 84
The driving screw mechanism 94 drivingly coupled.Described driving screw mechanism 94 includes driving screw 96 and the rotation via described driving screw 96
The cooperation travelling nut 98 that slit 100 along described framework 90 advances and retracts.Described travelling nut 98 includes and at upper folder
The protuberance of the relative extension that the slit 102 in pincers 86 engages with the slit 104 in lower clamp 88, thus cause at described mobile spiral shell
Female 98 along described slit 100 advance or retract time upper clamp 86 and hinged around described pin 92 of lower clamp 88.
Fig. 8 A and Fig. 8 B illustrates the operation of a clamp system similar with the clamp system of Fig. 7.On shown direction
Rotating described drive shaft 84 causes travelling nut 98 to carry out distally propelling, described lower clamp 88 and described upper clamp to pivot pin 92
86 are pivotally mounted to the framework 90 of end effector by this pivot pin 92.As seen in fig. 8b, the protuberance of travelling nut 98
It is engaged on the slit 102 in described upper clamp 86.Described travelling nut 98 causes described to the propelling of the distally of described pivot pin 92
Upper clamp rotates up in shown side, and causes described lower clamp 88 to rotate in the opposite direction, thus opens this clamp.With
Sample ground, described travelling nut 98 causes this clamp to be closed away from the nearside propelling of described pivot pin 92.Therefore, this clamp can cut with scissors
Connect to clamp tissue of patient.
In Fig. 7, Fig. 8 A and Fig. 8 B, the clamp system of the lead screw type of display provides significant mechanical dominance, and it will be by described
The relatively low torque that drive shaft transmits is converted into relatively high clamping force.In order to avoid excellent via having such notable machinery
The mechanism of gesture makes tissue suffer excessive clamping force, can control to be sent to the torque of described clamp system by described drive shaft.
Cause the control of power/torque
Fig. 9 schematically illustrates the spring assembly 110 for controlling to be sent to the amount of the clamping force of the clamp of end effector.
Input connecting rod 112 that described spring assembly 110 includes being driven by input coupler (also referred to as " dog (dog) "),
The output connecting rod 114 that drivingly couples with described end effector clamp and at described input connecting rod 112 and described output connecting rod
The preloading stretching spring 116 of coupling between 114.With reference to Fig. 9, when described input connecting rod 112 is driven to the right by described input coupler
Time dynamic, described stretching spring 116 pulls to the right described output connecting rod 114, thus causes the clamp of described end effector to be closed.
Along with this clamp starts clamping tissue, the power needed for being further turned off this clamp starts to increase.In order to be further turned off this clamp,
The clamping force being sent to this clamp increases.Along with this clamp continues to cut out, it is sent to the cumulative clamping force arrival etc. of this clamp
The level of the power in described preloading stretching spring 116.At this point, described moving further to the right of input connecting rod 112 is led
Cause described preloading stretching spring 116 and start stretching, thus allow described input connecting rod and described output connecting rod to be initially separated.This
After, produced by be sent to the clamping force of this clamp by described spring rate (spring rate) and described stretching spring 116
The combination of combined deflection (deflection) limits.
Figure 10 schematically illustrates along with the most described clamp of described input coupler does not clamp the initial position (P of tissue
(i)) move into described clamp start clamping tissue contact position (P (c)), move again to wherein by described groups of springs
The power that part 110 transmits arrives wherein said preloading stretching spring 116 and starts the centre position (P (sep)) of point of stretching, and
After move to final position (P (f)), be sent to the clamping force of described end effector clamp (also by described spring assembly 110
It is referred to as " chucking power ").When described input coupler moves between initial position (P (i)) to contact position (P (c)), pass through
The power 118 that described spring assembly 110 transmits remains low, because described end effector clamp not yet starts clamping tissue.One
End effector clamp described in denier starts clamping tissue (when described input coupler arrives contact position (P (c))), described defeated
Entering moving further to the right of bonder causes the power 118 by the transmission of described spring assembly 110 to depend on by the group clamped
The speed of the resistance knitting offer increases.When the power transmitted by described spring assembly arrives predeterminated level (G_F (i)), described
Preload stretching spring 116 and start stretching, thus along with described input coupler is at centre position (P (sep)) and final position (P
(f)) between continue to move right, control the amount of power 118 transmitted by described spring assembly 110.There is no spring assembly 110
In the case of, the motion further between centre position (P (sep)) and final position (P (f)) of the described input coupler will be produced
Raw uncontrolled clamping force 120, it exceedes when described input coupler arrives final position (P (f)) by described spring
Maximum control clamping force (G_F (f)) that assembly 110 transmits.
Figure 11 is schematically illustrated in described input coupler between initial position (P (i)) and final position (P (f))
The power in stretching spring 116 is preloaded described in motor process.At zero amount of deflection (L (the 0)) place of described stretching spring 116, described in draw
Stretch spring and produce zero spring force.In described spring assembly 110, described stretching spring 116 is in condition of preload, thus owing to passing
The torque sent less than with equal to described predeterminated level and by described input connecting rod together with described output connecting rod offset.Therefore,
In described input coupler motor process between initial position (P (i)) and centre position (P (sep)), do not occur described
The stretching (the most described camber of spring keeps constant L (i)) of stretching spring 116 and produced spring force keep perseverance at F (i) place
Fixed).Along with described input coupler moves to final position (P (f)), described stretching spring 116 from centre position (P (sep))
Camber of spring increase to L (f) from L (i), thus cause described spring force to increase to F (f) from F (i).Therefore, when described input
It is spring preload power that bonder is sent to the power of described clamp when centre position (P (sep)) moves to final position (P (f))
(F (i)), the spring rate of stretching spring 116 and the stretching spring 116 function from the deflection of L (i) to L (f).
Figure 12 A schematically illustrates the torque spring group for controlling to be sent to the amount of the clamping force of the clamp of end effector
Part 130.Described torque spring assembly 130 includes: couple rotatably with input coupler (also referred to as " dog ")
Input connecting rod 132；The output connecting rod 134 coupled rotatably with drive shaft, described drive shaft is driven with described end effector clamp
Couple dynamicly；Joint element 136；And between described input connecting rod 132 and described output connecting rod 134 coupling torque spring
138.Described output connecting rod 134 is fixedly connected to central shaft 140(or is overall with central shaft 140).Described torque spring group
Part 130 is rotatably mounted to the framework 82 of described near-end underframe 72 via bearing 142.Described input connecting rod 132 and described joint
Element 136 rotates with the central axis 144 around described central shaft 140 through installing.In described input connecting rod 132 and described output
Between connecting rod 134, the torque spring 138 of coupling is in condition of preload.
In operation, torque is sent to described output connecting rod from described input connecting rod 132 by described torque spring assembly 130
134.With reference to Figure 12 B, when the torque 146 transmitted is less than predeterminated level (torque preloaded in the most described torque spring 138), institute
State the preload level in torque spring 138 and be enough to bias described output connecting rod 134 to contact with described joint element 136, described
Joint element 136 and then biased to contact with described input connecting rod 132.With reference to Figure 12 C, when the torque 146 transmitted exceedes institute
When stating predeterminated level, the preload level in described torque spring 138 is not enough to be maintained at described output connecting rod 134, described joint
, therefore there is the extra rotational deformation of described torque spring 138 in the contact between element 136 and described input connecting rod 132.And
And, when the torque 146 transmitted exceedes described predeterminated level, the torque transmitted by described torque spring assembly 130 is to pass through
Described torque spring 138 transmits.
Described joint element 136 is for some purposes.For less than described predeterminated level by described torque spring group
The torque that part 130 transmits, the contact between described joint element 136 and described input and output connecting rod 132,134 keeps described
Relative angular orientation between input connecting rod 132 and described output connecting rod 134.Torsion is passed through for exceeding described predeterminated level
The torque that spring assembly 130 transmits, described joint element 136 is also used for increase and can occur in described input connecting rod 132 and institute
State the possible angular deflection amount between output connecting rod 134.Such as, by being provided with being similar to by described input and output link configurations
By described joint element, (such as, described joint element 136 can make entirety, or described joint unit with described input connecting rod 132
Part 136 can make entirety with described output connecting rod 134) directly contact between the input contacted that provides and output connecting rod
Feature, can configure the described torque spring assembly 130 being not engaged element.It is being not engaged this embodiment of element 136
In, the possible angular deflection amount that may reside between described input connecting rod 132 and described output connecting rod 134 can be limited to be slightly less than
360 degree (such as, about 345 degree).In the case of there is the joint element 136 that can rotate around described central axis 144, can
Can relatively big (such as, about 690 with the possible angular deflection amount that is present between described input connecting rod 132 and described output connecting rod 134
Degree).Any appropriate number of joint element 136(can be used such as, 0,1,2,3 or more etc.), it is adaptable to described input
Possible angular deflection amount required between connecting rod 132 and described output connecting rod 134.
Described torque spring assembly 130, such as described stretching spring assembly 110, is configured to control in a direction (i.e.
The direction that clamp cuts out is being performed corresponding to described end) amount of torque/force that transmits.For performing corresponding to described end
The torque/force that the direction that device clamp is opened is transmitted, the direction of the torque/force transmitted is further increased to preloaded spring power, anti-
The only relative motion between described input connecting rod 132 and described output connecting rod 134.In order to realize double-direction control, can be with described
Torque spring assembly 130 in series adds the torque spring assembly of relative configuration and (i.e. controls corresponding to described end effector
The torque spring assembly of the torque in the direction that clamp is opened).
Referring back to Figure 10 and relevant discussion, Figure 13 is schematically illustrated in initial angle orientation (P (i) corresponding in Figure 10)
And the turning of torque spring 138 described in the input coupler rotary course between final angular orientation (P (f) corresponding in Figure 10)
Square.At zero angle amount of deflection (angle (the O)) place of described torque spring 138, described torque spring produces zero spring torque.In described torsion
In power spring assembly 130, described torque spring 138 is in condition of preload, hence for the transmission being less than and being equal to predeterminated level
For torque by described input connecting rod together with described output connecting rod offset.Therefore, orient in initial angle orientation and intermediate angle
In input coupler rotary course between (P (sep) corresponding in Figure 10), the angle that described torque spring 138 does not occurs is inclined
Turn (the most described spring angular deflection keeps constant angle (i), and produced spring torque keeps constant at T (i)).Along with described
Input coupler moves to final angular orientation (P (f) corresponding to Figure 10) from middle angular orientation, described torque spring 138
Angular deflection increases to angle (f) from angle (i), thus from T (i), described spring torque is increased to T (f).Therefore, when described defeated
Enter bonder to move to be sent to during final position the torque of described clamp from centre position and be spring preload torque (T (i)), turn round
The function of the angular deflection amount of the spring rate of power spring 138 and the torque spring 138 from angle (i) to angle (f).
Figure 14 illustrates the nearside underframe 72 of described robotic surgical tool 70.Described nearside underframe 72 includes described framework 82
And the input coupler (not shown) being drivingly engaged to the corresponding output coupler of the operating robot shown in Fig. 5 A.Install
To described framework 82 is the torque spring assembly of amount controlling the communicated torque to activate described end effector clamp
150.Described torque spring assembly 150 is via the input drive shaft drivingly coupled with a corresponding described input coupler
152 receive input torque, and transmit output torque via output pinion 154, and this output pinion 154 performs with described end
Device clamp drivingly couples via the interior drive shaft arranged together with supporting the tube chamber of the apparatus axis 74 of described end effector 76.
Figure 15 A illustrates described torque spring assembly 150 individually.Further, Figure 15 B illustrates described torque spring assembly 150
The decomposition view of component.Described torque spring assembly 150 includes the shell being installed to the described framework 82 of described nearside underframe 72
Body 156.Described housing 156 supports the sub-component of described torque spring assembly 150, including inputting little toothed wheel assembly 158 and turning
Square controls sub-component 160.
Described input little toothed wheel assembly 158 includes the torque transferred that receives from described input drive shaft 152 to described
The little gear of input 162 of direct torque sub-component 160.The little gear of described input 162 is supported by pin 164.Described pin 164 has flat
Put down outside 166, and the little gear of described input 162 has what the flat exterior 166 being shaped to described pin 164 and this pin engaged
Hole 168, in order to rotate together with described pin 164.Described pin 164 is installed to described housing via bearing 170,172.
Described direct torque sub-component 160 includes inputting connecting rod 174, joint element 176, output connecting rod 178, support shaft
180, torque spring 182, spring bearing 184,186,188 and output pinion 190.Described support shaft 180 is mounted, with via
Described bearing 184,188 rotates relative to described housing 156.Described output pinion 190 is supported by described support shaft 180, and
It is shaped to the hole 192 that prevents the little gear of described input 190 from rotating relative to described support shaft 180 including it, so that institute
State output pinion 190 to rotate together with described support shaft 180.Described output connecting rod 178 is supported by described support shaft 180.Institute
State support shaft 180 and there is male member 194.Described output connecting rod 178 has hole 196, and it is shaped to and described support shaft 180
And male member 194 engages, in order to rotate together with described support shaft 180.Described output connecting rod 178 has cylindrical outer surface
Face 198, it is dimensioned to accommodate and supports described torque spring 182.Described output connecting rod 178 also has four protuberances
200, it is configured to engage with the end 202 of described torque spring 182, to couple described torque spring 182 and institute rotatably
State output connecting rod 178.Described input connecting rod 174 is supported by described support shaft 180, to rotate relative to described support shaft 180.Institute
Stating input connecting rod 174 and have cylindrical outer surface 204, it is dimensioned to accommodate and supports described torque spring 182.Described
Joint element 176 is supported by described support shaft 180, to rotate relative to described support shaft 180.Described joint element 176 includes
The longitudinal protuberance 208 engaged with the inner projection of described input and output connecting rod.Described torque spring 182 is with preloading configuration
Install, thus when the torque transmitted by described direct torque sub-component 160 is less than the preload torque of described torque spring 182
It is rotationally offset described input to contact with the longitudinal protuberance 208 with described joint element 176 with output connecting rod.
Figure 15 C illustrates described input connecting rod 174 how to be configured to described torque spring 182 and couples.In the C-C of cross section
Shown in, described input connecting rod 174 has hole 206, and it receives the curved end of described torque spring 182, thus couples described torsion
This end of spring 182 and described input connecting rod 174.
In operation, described direct torque assembly 160 is by using torque spring assembly 130 institute of Figure 12 A, 12B and 12C
Same procedure control to transfer to the level of torque of described end effector clamp via described output pinion 190.Such as,
For the transmission torque of the preload torque less than described torque spring 182, described output connecting rod 178 with described input connecting rod
174 identical speed rotate.When transmitting the preload torque that torque exceedes described torque spring 182, transmit any volume of torque
Outer increase causes the additional angular of described torque spring 182 to deflect, and this allows described output connecting rod 178 with than described input connecting rod
174 slower speed rotate, thus control to be sent to the amount of torque of described end effector clamp, and then control described end and hold
The amount of the chucking power of row device clamp.
Application
Surgical assembly disclosed herein and apparatus can use in any suitable application.Such as, hands disclosed herein
Art assembly can operate for open or Wicresoft (single port or multiport) manually or electrically, hand-held or robot
Other operating theater instruments of formula, directly control or remote manipulation use.
The method of the chucking power in control operating theater instruments
Figure 16 illustrates the action of the method 210 for controlling the chucking power in operating theater instruments according to many embodiments.Side
Method 210 can be such as by using any one in surgical assembly disclosed herein and apparatus to put into practice.
Method 210 includes the input connecting rod (action 212) of actuation spring assembly.Such as, the actuating of input connecting rod can be wrapped
Include and translate described input connecting rod relative to the clamping device of operating theater instruments.As another example, the actuating of input connecting rod can be wrapped
Include and rotate described input connecting rod relative to the clamping device of operating theater instruments.
Method 210 farther includes to transfer to actuating power from described input connecting rod the output connecting rod of described spring assembly
(action 214).The transfer of described actuating power can include shifting described input connecting rod by the preloaded spring of described spring assembly
And the power between described output connecting rod.
Method 210 farther includes the predeterminated level working as shifted actuating power less than the preloaded spring of described spring assembly
Time, suppress the relative motion (action 216) between described input connecting rod and described output connecting rod.The suppression of described relative motion can
To include making described input connecting rod and described output connecting rod relative to each other retrain with preloaded spring.Further, described relative motion
Suppression can include engaging described input connecting rod and engagement link and engage described engagement link and described output connecting rod, institute
State input to keep contacting with described engagement link by described preloaded spring with output connecting rod.In many examples, described defeated
Enter connecting rod, described output connecting rod and described engagement link restrained to rotate around common rotation axis, and described preloading bullet
Spring is included between described input connecting rod and described output connecting rod the torque spring of coupling.
Method 210 farther includes when the actuating power shifted increases above described predeterminated level described pre-by making
Carry camber of spring and move described input connecting rod (action 218) relative to described output connecting rod.Further, method 210 is wrapped further
Include via described output connecting rod actuatable clamp mechanism (action 220).In many examples, described clamping device is activated, in order to
Clamping tissue of patient.
Method is applied
Method disclosed herein can use in any suitable application.Such as, method disclosed herein can with
In open or Wicresoft (single port or multiport) operate manually or electrically, hand-held or robot type, directly control or distant
The operating theater instruments of control operation uses.The example of such operating theater instruments includes minimally invasive robotic surgery apparatus, as institute is public herein
Those opened.
Other changes are within the spirit of the invention.Therefore, although the present invention can allow various amendment and alternative structure,
But the embodiment shown in some its shows in the accompanying drawings and is describing in detail above.It should be understood, however, that and be not intended to
Limit the invention to concrete form or disclosed form, but on the contrary, it is intended to be to contain to fall into the spirit and scope of the present invention
Interior all modifications, alternative structure and equivalent, as limited in the dependent claims.
Term " power " is interpreted as including power and torque (particularly under the background of appended claims), unless herein
Outside being otherwise noted, or substantially contradict with context.Term " one (a) " and " one (an) " and " should (the) " and describing this
Under the background of invention, similar the referring to of (particularly under the background of appended claims) is interpreted to contain odd number and plural number,
Unless otherwise indicated herein or with the most substantially contradict.Term " comprises ", " having ", " including " and " containing " are interpreted out
Put formula term (that is, referring to " including but not limited to "), except as otherwise noted.Term " connects " and is interpreted partly or entirely to be comprised
Wherein, it is attached to it or combines, even if there being some things mediate.The narration of the scope of each value herein is only
It is intended to serve as the method for simplifying referring to each independent value within the range respectively, unless explicitly pointed out otherwise herein, and
Each single value is contained within this specification, as it is by the most individually narration.All methods described herein can be to appoint
What suitably order performs, unless explicitly pointed out otherwise herein or substantially contradicted with context.Provided herein any and institute
The use having example or exemplary language (such as, " as ") is intended merely to preferably illustrate embodiments of the invention, is not limiting as this
The scope of invention, Unless Otherwise Requested.Language in this specification is not necessarily to be construed as
The present invention is put into practice requisite.
This document describes the preferred embodiments of the present invention, including for implementing optimal side known to the present inventor
Formula.When reading described above, the change of those preferred embodiments may become for the person of ordinary skill of the art
Substantially.The inventors expect that those skilled in the art suitably use such change, and the present inventor is intended to the most concrete
The present invention is put into practice beyond description.Therefore, the theme of narration during the present invention includes the appended claims that applicable law is allowed
All modifications and equivalent.Additionally, the present invention comprises said elements any combination in all possible variations thereof, unless this
Literary composition clearly indicates otherwise or substantially contradicts with context.
All references cited herein, including publications, patent applications and patents, is incorporated herein by, reaches
If individually and particularly pointing out the phase being incorporated by reference into and all illustrating in this article to each list of references
Same degree.
Claims (15)
1. a minimally invasive robotic surgery assembly, including:
End effector, it includes operable to clamp the clamp of tissue of patient；With
Spring assembly, it includes that the input that the output connecting rod drivingly coupled with described clamp drivingly couples with hinged source connects
Bar and with described input connecting rod and output connecting rod couple from described input connecting rod, hinged power is transferred to described output connecting rod
Spring, described spring is preloaded, to suppress described input connecting rod and described output when the hinged power of transfer is less than predeterminated level
Relative motion between connecting rod, and to allow described input connecting rod when the hinged power of described transfer is higher than described predeterminated level
Relative motion with described output connecting rod.
Surgical assembly the most according to claim 1, wherein:
The hinged power of described transfer causes the chucking power of described clamp；With
The described input of described clamp it is further turned off even when the hinged power of described transfer is at or greater than described predeterminated level
The deformation of the described spring that the relative motion between exercise induced and described input connecting rod and the described output connecting rod of bar is associated,
To control the hinged of transfer when described hinged power is transferred to described output connecting rod from described input connecting rod by the spring of deformation
The increase of power.
Surgical assembly the most according to claim 1, wherein said output connecting rod is relative to the straight line of described end effector
Exercise induced described clamp hinged.
Surgical assembly the most according to claim 1, wherein said output connecting rod is relative to the rotation of described end effector
Exercise induced described clamp hinged.
Surgical assembly the most according to claim 4, wherein said input connecting rod and output connecting rod are rotatably mounted to base,
To rotate around common rotation axis.
Surgical assembly the most according to claim 5, wherein said output connecting rod is fixedly connected to central shaft, and described defeated
Enter connecting rod and be rotatably mounted to described central shaft.
Surgical assembly the most according to claim 5, wherein said input connecting rod is fixedly connected to central shaft, and described defeated
Go out connecting rod and be rotatably mounted to described central shaft.
Surgical assembly the most according to claim 5, wherein said spring includes torque spring, and it is by described input connecting rod
At least one in the outer surface of outer surface or described output connecting rod accommodates and constraint.
Surgical assembly the most according to claim 5, wherein said spring assembly farther includes to be rotatably mounted to described
Base is with the joint element rotated around described common rotation axis, and the combination of described joint element and described spring is at described turn
The relative motion between described input connecting rod and described output connecting rod is suppressed when the hinged power moved is less than described predeterminated level, and
The relative fortune between described input connecting rod and described output connecting rod is allowed when the hinged power of described transfer is higher than described predeterminated level
Dynamic.
Surgical assembly the most according to claim 9, wherein said joint element has protuberance, and it is shaped to described
When the hinged power of transfer is less than described predeterminated level, the protuberance with described input connecting rod and the complementary setting of output connecting rod engages.
11. surgical assemblies according to claim 5, wherein said spring assembly farther includes to be rotatably mounted to described
Base is with the multiple joint elements rotated around described common rotation axis, and the combination of described joint element and described spring is in institute
The relative motion between described input connecting rod and described output connecting rod is suppressed when stating the hinged power of transfer less than described predeterminated level,
And allow the phase between described input connecting rod and described output connecting rod when the hinged power of described transfer is higher than described predeterminated level
To motion.
12. 1 kinds of operating theater instruments being used together with the robot mechanical arm of minimally invasive surgery system, described robot mechanical arm has
Fixture, described operating theater instruments is had to include:
The apparatus axis extended between proximally and distally；
That supported by described far-end and include the operable end effector of clamp with clamping tissue of patient；
The driving element drivingly coupled with described clamp；
Being arranged on the underframe of described proximal end, described underframe includes:
Support the framework of described apparatus axis,
Spring assembly, it include with described driving element drives couple output connecting rod, input connecting rod and with described input even
Bar and output connecting rod coupling to transfer to the spring of described output connecting rod by hinged power from described input connecting rod, and described spring is by advance
Carry, in order to suppress the relative fortune between described input connecting rod and described output connecting rod when the hinged power of transfer is less than predeterminated level
Dynamic, and so that allow when the hinged power of described transfer is higher than described predeterminated level described input connecting rod and described output connecting rod it
Between relative motion, and
Input coupler, its drivingly couple to described input connecting rod and be configured to described robot mechanical arm corresponding defeated
Go out bonder to be drivingly engaged.
13. operating theater instruments according to claim 12, wherein:
The hinged power of described transfer induces the chucking power of described clamp；With
The described input of described clamp it is further turned off even when the hinged power of described transfer is at or greater than described predeterminated level
The deformation of the described spring that the relative motion between exercise induced and described input connecting rod and the described output connecting rod of bar is associated,
To control the hinged power of transfer when hinged power is transferred to described output connecting rod from described input connecting rod by the spring of deformation
Increase.
14. operating theater instruments according to claim 12, wherein:
Described driving element includes the drive shaft coupled rotatably with described clamping device；
Described input connecting rod and described output connecting rod are rotatably mounted to described framework, to rotate around common rotation axis；With
Described spring includes torque spring.
15. operating theater instruments according to claim 14, wherein said spring assembly farther includes to be rotatably mounted to institute
Stating framework with the joint element rotated around described common rotation axis, the combination of described joint element and described spring is described
The relative motion between described input connecting rod and output connecting rod is suppressed when the hinged power of transfer is less than described predeterminated level, and in institute
The relative motion between described input connecting rod and described output connecting rod is allowed when stating the hinged power of transfer higher than described predeterminated level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610454964.2A CN106109017B (en) | 2011-05-31 | 2012-05-30 | Grasping force control in robotic surgery instrument |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201161491804P | 2011-05-31 | 2011-05-31 | |
| US61/491,804 | 2011-05-31 | ||
| PCT/US2012/040015 WO2012166806A1 (en) | 2011-05-31 | 2012-05-30 | Grip force control in a robotic surgical instrument |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610454964.2A Division CN106109017B (en) | 2011-05-31 | 2012-05-30 | Grasping force control in robotic surgery instrument |
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| Publication Number | Publication Date |
|---|---|
| CN103561667A CN103561667A (en) | 2014-02-05 |
| CN103561667B true CN103561667B (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610454964.2A Active CN106109017B (en) | 2011-05-31 | 2012-05-30 | Grasping force control in robotic surgery instrument |
| CN201280026203.7A Active CN103561667B (en) | 2011-05-31 | 2012-05-30 | Grasping force control in robotic surgery apparatus |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610454964.2A Active CN106109017B (en) | 2011-05-31 | 2012-05-30 | Grasping force control in robotic surgery instrument |
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|---|---|
| US (2) | US9913694B2 (en) |
| EP (1) | EP2713910B1 (en) |
| KR (1) | KR102012698B1 (en) |
| CN (2) | CN106109017B (en) |
| WO (1) | WO2012166806A1 (en) |
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| US9072535B2 (en) | 2011-05-27 | 2015-07-07 | Ethicon Endo-Surgery, Inc. | Surgical stapling instruments with rotatable staple deployment arrangements |
| US11890012B2 (en) | 2004-07-28 | 2024-02-06 | Cilag Gmbh International | Staple cartridge comprising cartridge body and attached support |
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| US11246590B2 (en) | 2005-08-31 | 2022-02-15 | Cilag Gmbh International | Staple cartridge including staple drivers having different unfired heights |
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| US11484312B2 (en) | 2005-08-31 | 2022-11-01 | Cilag Gmbh International | Staple cartridge comprising a staple driver arrangement |
| US7669746B2 (en) | 2005-08-31 | 2010-03-02 | Ethicon Endo-Surgery, Inc. | Staple cartridges for forming staples having differing formed staple heights |
| US20070194079A1 (en) | 2005-08-31 | 2007-08-23 | Hueil Joseph C | Surgical stapling device with staple drivers of different height |
| US10159482B2 (en) | 2005-08-31 | 2018-12-25 | Ethicon Llc | Fastener cartridge assembly comprising a fixed anvil and different staple heights |
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2012
- 2012-05-30 CN CN201610454964.2A patent/CN106109017B/en active Active
- 2012-05-30 KR KR1020137032577A patent/KR102012698B1/en active IP Right Grant
- 2012-05-30 EP EP12726542.9A patent/EP2713910B1/en active Active
- 2012-05-30 US US13/484,154 patent/US9913694B2/en active Active
- 2012-05-30 WO PCT/US2012/040015 patent/WO2012166806A1/en unknown
- 2012-05-30 CN CN201280026203.7A patent/CN103561667B/en active Active
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2018
- 2018-01-22 US US15/876,834 patent/US11344375B2/en active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20140035389A (en) | 2014-03-21 |
| WO2012166806A1 (en) | 2012-12-06 |
| CN103561667A (en) | 2014-02-05 |
| EP2713910B1 (en) | 2022-06-22 |
| US20180140365A1 (en) | 2018-05-24 |
| EP2713910A1 (en) | 2014-04-09 |
| KR102012698B1 (en) | 2019-08-21 |
| US20120310256A1 (en) | 2012-12-06 |
| US11344375B2 (en) | 2022-05-31 |
| CN106109017A (en) | 2016-11-16 |
| CN106109017B (en) | 2019-01-04 |
| US9913694B2 (en) | 2018-03-13 |
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